From 3b7a4d811df5b326e714984edd7dd3e2b11e16d5 Mon Sep 17 00:00:00 2001
From: Marcin Kosiba <mkosiba@google.com>
Date: Thu, 19 Jun 2014 12:32:47 +0100
Subject: [PATCH] Introduce CC/CXX/JAVAC_WRAPPER to wrap the calls to clang.

This is essentially Ide800c24f0c2ebbb1cfb358bd8f99ec8a9d41253
applied to clang.

Change-Id: I883f9e9a31fff50a64568a06ef5248437344542b
---
 core/clang/config.mk | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/core/clang/config.mk b/core/clang/config.mk
index 10b4d72abd..07ad60efd9 100644
--- a/core/clang/config.mk
+++ b/core/clang/config.mk
@@ -22,6 +22,17 @@ LLVM_LINK := $(LLVM_PREBUILTS_PATH)/llvm-link$(BUILD_EXECUTABLE_SUFFIX)
 CLANG_TBLGEN := $(HOST_OUT_EXECUTABLES)/clang-tblgen$(BUILD_EXECUTABLE_SUFFIX)
 LLVM_TBLGEN := $(HOST_OUT_EXECUTABLES)/llvm-tblgen$(BUILD_EXECUTABLE_SUFFIX)
 
+# The C/C++ compiler can be wrapped by setting the CC/CXX_WRAPPER vars.
+ifdef CC_WRAPPER
+  ifneq ($(CC_WRAPPER),$(firstword $(CLANG)))
+    CLANG := $(CC_WRAPPER) $(CLANG)
+  endif
+endif
+ifdef CXX_WRAPPER
+  ifneq ($(CXX_WRAPPER),$(firstword $(CLANG_CXX)))
+    CLANG_CXX := $(CXX_WRAPPER) $(CLANG_CXX)
+  endif
+endif
 
 # Clang flags for all host or target rules
 CLANG_CONFIG_EXTRA_ASFLAGS :=